http://walthamstow.london/News/how-to-fix-sierra-problems/ There are many ways on how to fix Sierra problems anytime you encounter them. Basically, you can fix a problem on your Mac by identifying the problem. In most cases, problems with the Sierra operating system are usually as a result of an upgrade. If you upgrade your Mac OS to the latest version, you will notice that some things are not working as normal. When more people upgrade to a new OSX, more Sat, 12 Nov 2016 09:02:09 UTC en